./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:12:46,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:12:46,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:12:46,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:12:46,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:12:46,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:12:46,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:12:46,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:12:46,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:12:46,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:12:46,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:12:46,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:12:46,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:12:46,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:12:46,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:12:46,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:12:46,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:12:46,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:12:46,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:12:46,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:12:46,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:12:46,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:12:46,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:12:46,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:12:46,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:12:46,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:12:46,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:12:46,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:12:46,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:12:46,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:12:46,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:12:46,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:12:46,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:12:46,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:12:46,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:12:46,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:12:46,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:12:46,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:12:46,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:12:46,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:12:46,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:12:46,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:12:46,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:12:46,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:12:46,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:12:46,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:12:46,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:12:46,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:12:46,118 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:12:46,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:12:46,118 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:12:46,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:12:46,119 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:12:46,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:12:46,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:12:46,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:12:46,120 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:12:46,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:12:46,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:12:46,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:12:46,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:12:46,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:12:46,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:12:46,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:12:46,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:12:46,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:12:46,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:12:46,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:12:46,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:12:46,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:12:46,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:12:46,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:12:46,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:12:46,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:12:46,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:12:46,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-12-14 15:12:46,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:12:46,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:12:46,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:12:46,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:12:46,336 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:12:46,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:48,896 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:12:49,029 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:12:49,029 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:49,035 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/a4b066b17/c07d6ecf0d7443508b041d96b97f660e/FLAG24e5cfac1 [2022-12-14 15:12:49,048 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/a4b066b17/c07d6ecf0d7443508b041d96b97f660e [2022-12-14 15:12:49,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:12:49,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:12:49,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:12:49,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:12:49,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:12:49,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215c42be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49, skipping insertion in model container [2022-12-14 15:12:49,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:12:49,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:12:49,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-12-14 15:12:49,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:12:49,299 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:12:49,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-12-14 15:12:49,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:12:49,364 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:12:49,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49 WrapperNode [2022-12-14 15:12:49,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:12:49,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:12:49,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:12:49,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:12:49,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,415 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-12-14 15:12:49,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:12:49,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:12:49,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:12:49,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:12:49,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:12:49,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:12:49,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:12:49,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:12:49,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 15:12:49,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:12:49,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:12:49,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:12:49,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:12:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:12:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:12:49,636 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:12:49,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:12:50,149 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:12:50,168 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:12:50,168 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 15:12:50,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:50 BoogieIcfgContainer [2022-12-14 15:12:50,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:12:50,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:12:50,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:12:50,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:12:50,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:12:49" (1/3) ... [2022-12-14 15:12:50,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65df7804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:50, skipping insertion in model container [2022-12-14 15:12:50,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (2/3) ... [2022-12-14 15:12:50,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65df7804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:50, skipping insertion in model container [2022-12-14 15:12:50,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:50" (3/3) ... [2022-12-14 15:12:50,179 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:50,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:12:50,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:12:50,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:12:50,238 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28243887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:12:50,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:12:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:12:50,251 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:50,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:12:50,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:12:50,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:50,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 15:12:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:12:50,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861007540] [2022-12-14 15:12:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:12:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:12:50,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:12:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:12:50,496 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:12:50,498 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:12:50,499 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 15:12:50,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:12:50,505 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 15:12:50,509 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:12:50,529 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:12:50,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:12:50 BoogieIcfgContainer [2022-12-14 15:12:50,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:12:50,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:12:50,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:12:50,539 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:12:50,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:50" (3/4) ... [2022-12-14 15:12:50,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:12:50,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:12:50,544 INFO L158 Benchmark]: Toolchain (without parser) took 1491.10ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 68.4MB in the beginning and 105.2MB in the end (delta: -36.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-12-14 15:12:50,544 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:12:50,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.05ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 52.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:12:50,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.97ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 48.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:12:50,546 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 109.1MB. Free memory was 48.7MB in the beginning and 46.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:12:50,546 INFO L158 Benchmark]: RCFGBuilder took 722.61ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 50.1MB in the end (delta: -3.9MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-12-14 15:12:50,547 INFO L158 Benchmark]: TraceAbstraction took 364.71ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 49.1MB in the beginning and 106.2MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:12:50,547 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 159.4MB. Free memory was 106.2MB in the beginning and 105.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:12:50,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.05ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 52.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.97ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 48.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 109.1MB. Free memory was 48.7MB in the beginning and 46.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.61ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 50.1MB in the end (delta: -3.9MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 364.71ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 49.1MB in the beginning and 106.2MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 159.4MB. Free memory was 106.2MB in the beginning and 105.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 127, overapproximation of bitwiseOr at line 119, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L35] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L37] const SORT_1 var_12 = 0; [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 6; [L40] const SORT_16 var_25 = 7; [L41] const SORT_1 var_30 = 1; [L42] const SORT_5 var_34 = 0; [L43] const SORT_7 var_39 = 0; [L44] const SORT_7 var_42 = 8; [L45] const SORT_7 var_44 = 9; [L46] const SORT_7 var_47 = 15; [L47] const SORT_7 var_55 = 12; [L48] const SORT_7 var_58 = 4; [L49] const SORT_7 var_64 = 10; [L50] const SORT_7 var_66 = 11; [L51] const SORT_7 var_69 = 13; [L52] const SORT_7 var_84 = 1; [L53] const SORT_7 var_89 = 5; [L54] const SORT_16 var_114 = 1; [L55] const SORT_16 var_116 = 5; [L56] const SORT_5 var_125 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_5 input_6; [L62] SORT_7 input_8; [L63] SORT_1 input_9; [L64] SORT_1 input_10; [L65] SORT_1 input_11; [L66] SORT_5 input_93; [L67] SORT_5 input_95; [L68] SORT_5 input_97; [L69] SORT_5 input_99; [L70] SORT_5 input_101; [L71] SORT_5 input_103; [L72] SORT_5 input_105; [L73] SORT_5 input_107; [L74] SORT_5 input_109; [L76] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L78] SORT_16 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L79] SORT_5 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_16 init_24_arg_1 = var_17; [L86] state_23 = init_24_arg_1 [L87] SORT_5 init_36_arg_1 = var_34; [L88] state_35 = init_36_arg_1 VAL [init_14_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_36_arg_1=0, mask_SORT_1=1, mask_SORT_16=7, mask_SORT_5=4095, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_16=4, msb_SORT_5=2048, msb_SORT_7=8, state_13=0, state_18=0, state_23=0, state_35=0, var_114=1, var_116=5, var_12=0, var_125=1, var_17=0, var_20=6, var_25=7, var_30=1, var_34=0, var_39=0, var_42=8, var_44=9, var_47=15, var_55=12, var_58=4, var_64=10, var_66=11, var_69=13, var_84=1, var_89=5] [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 15:12:50,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:12:52,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:12:52,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:12:52,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:12:52,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:12:52,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:12:52,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:12:52,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:12:52,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:12:52,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:12:52,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:12:52,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:12:52,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:12:52,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:12:52,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:12:52,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:12:52,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:12:52,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:12:52,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:12:52,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:12:52,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:12:52,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:12:52,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:12:52,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:12:52,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:12:52,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:12:52,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:12:52,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:12:52,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:12:52,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:12:52,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:12:52,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:12:52,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:12:52,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:12:52,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:12:52,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:12:52,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:12:52,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:12:52,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:12:52,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:12:52,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:12:52,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 15:12:52,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:12:52,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:12:52,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:12:52,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:12:52,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:12:52,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:12:52,613 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:12:52,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:12:52,614 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:12:52,614 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:12:52,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:12:52,614 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:12:52,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:12:52,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:12:52,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:12:52,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:12:52,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:12:52,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:12:52,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:12:52,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:12:52,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:12:52,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:12:52,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:12:52,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:12:52,619 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-12-14 15:12:52,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:12:52,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:12:52,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:12:52,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:12:52,871 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:12:52,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:55,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:12:55,641 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:12:55,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:55,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/7cb4ca59c/9b0aacb4183d413d960fee857c1a4db4/FLAG0519ff69a [2022-12-14 15:12:55,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/data/7cb4ca59c/9b0aacb4183d413d960fee857c1a4db4 [2022-12-14 15:12:55,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:12:55,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:12:55,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:12:55,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:12:55,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:12:55,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:55,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eebcfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55, skipping insertion in model container [2022-12-14 15:12:55,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:55,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:12:55,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:12:55,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-12-14 15:12:55,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:12:55,901 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:12:55,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-12-14 15:12:55,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:12:55,978 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:12:55,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55 WrapperNode [2022-12-14 15:12:55,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:12:55,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:12:55,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:12:55,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:12:55,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:55,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,024 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-12-14 15:12:56,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:12:56,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:12:56,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:12:56,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:12:56,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:12:56,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:12:56,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:12:56,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:12:56,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (1/1) ... [2022-12-14 15:12:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:12:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:12:56,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:12:56,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:12:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:12:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:12:56,230 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:12:56,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:12:56,527 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:12:56,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:12:56,533 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 15:12:56,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:56 BoogieIcfgContainer [2022-12-14 15:12:56,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:12:56,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:12:56,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:12:56,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:12:56,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:12:55" (1/3) ... [2022-12-14 15:12:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29218e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:56, skipping insertion in model container [2022-12-14 15:12:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:55" (2/3) ... [2022-12-14 15:12:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29218e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:56, skipping insertion in model container [2022-12-14 15:12:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:56" (3/3) ... [2022-12-14 15:12:56,542 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-12-14 15:12:56,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:12:56,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:12:56,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:12:56,601 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29c92d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:12:56,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:12:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 15:12:56,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:56,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 15:12:56,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:12:56,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:56,616 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 15:12:56,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:12:56,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359028188] [2022-12-14 15:12:56,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:56,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:12:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:12:56,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:12:56,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 15:12:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:56,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 15:12:56,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:56,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:12:56,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:12:56,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359028188] [2022-12-14 15:12:56,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359028188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:12:56,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:12:56,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:12:56,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118700155] [2022-12-14 15:12:56,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:12:56,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:12:56,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:12:56,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:12:56,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:12:56,847 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:12:56,905 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 15:12:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:12:56,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 15:12:56,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:12:56,912 INFO L225 Difference]: With dead ends: 20 [2022-12-14 15:12:56,912 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 15:12:56,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:12:56,916 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:12:56,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:12:56,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 15:12:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 15:12:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 15:12:56,937 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 15:12:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:12:56,938 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 15:12:56,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 15:12:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:12:56,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:56,938 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 15:12:56,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:12:57,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:12:57,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:12:57,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 15:12:57,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:12:57,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463651144] [2022-12-14 15:12:57,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:12:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:12:57,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:12:57,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 15:12:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:57,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 15:12:57,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:57,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:12:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:57,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:12:57,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463651144] [2022-12-14 15:12:57,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463651144] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:12:57,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [436625906] [2022-12-14 15:12:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:57,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 15:12:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 15:12:57,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 15:12:57,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 15:12:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:57,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 15:12:57,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:58,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:12:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:58,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [436625906] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:12:58,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29462600] [2022-12-14 15:12:58,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:12:58,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:12:58,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:12:58,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:12:58,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:12:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:12:58,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 15:12:58,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:58,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:12:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:58,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29462600] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:12:58,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 15:12:58,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 6, 6] total 11 [2022-12-14 15:12:58,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469712866] [2022-12-14 15:12:58,540 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 15:12:58,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 15:12:58,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:12:58,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 15:12:58,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-14 15:12:58,543 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:12:58,664 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 15:12:58,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:12:58,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 15:12:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:12:58,664 INFO L225 Difference]: With dead ends: 16 [2022-12-14 15:12:58,665 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 15:12:58,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-12-14 15:12:58,666 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:12:58,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:12:58,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 15:12:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-14 15:12:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 15:12:58,668 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-14 15:12:58,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:12:58,668 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-14 15:12:58,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:12:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 15:12:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 15:12:58,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:12:58,669 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 15:12:58,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-12-14 15:12:58,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 15:12:59,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 15:12:59,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:12:59,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:12:59,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:12:59,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-14 15:12:59,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:12:59,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025862271] [2022-12-14 15:12:59,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 15:12:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:12:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:12:59,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:12:59,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 15:12:59,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 15:12:59,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:12:59,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 15:12:59,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:12:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:12:59,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:00,638 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:13:00,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025862271] [2022-12-14 15:13:00,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025862271] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:13:00,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [498045484] [2022-12-14 15:13:00,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 15:13:00,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 15:13:00,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 15:13:00,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 15:13:00,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 15:13:00,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 15:13:00,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:00,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 15:13:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:01,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:01,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [498045484] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:13:01,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723373158] [2022-12-14 15:13:01,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 15:13:01,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:01,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:01,569 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:01,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:13:01,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 15:13:01,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:01,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 15:13:01,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:01,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:02,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723373158] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:13:02,643 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 15:13:02,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 17 [2022-12-14 15:13:02,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297686600] [2022-12-14 15:13:02,644 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 15:13:02,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 15:13:02,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:13:02,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 15:13:02,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-12-14 15:13:02,646 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:13:03,079 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-12-14 15:13:03,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:13:03,079 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 15:13:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:13:03,080 INFO L225 Difference]: With dead ends: 22 [2022-12-14 15:13:03,080 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 15:13:03,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-12-14 15:13:03,081 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:13:03,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 33 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:13:03,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 15:13:03,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-12-14 15:13:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-14 15:13:03,085 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-12-14 15:13:03,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:13:03,086 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-14 15:13:03,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:13:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-14 15:13:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 15:13:03,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:13:03,087 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-12-14 15:13:03,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 15:13:03,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 15:13:03,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 15:13:03,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:03,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:13:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:13:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-12-14 15:13:03,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:13:03,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95165812] [2022-12-14 15:13:03,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:13:03,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:13:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:13:03,694 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:13:03,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 15:13:03,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 15:13:03,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:03,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 114 conjunts are in the unsatisfiable core [2022-12-14 15:13:03,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:13:04,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:13:28,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-12-14 15:13:28,979 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-14 15:13:28,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:13:28,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95165812] [2022-12-14 15:13:28,981 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2022-12-14 15:13:28,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [315369527] [2022-12-14 15:13:28,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:13:28,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 15:13:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 15:13:28,982 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 15:13:28,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-12-14 15:13:29,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 15:13:29,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:29,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 130 conjunts are in the unsatisfiable core [2022-12-14 15:13:29,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:29,535 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2022-12-14 15:13:29,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855096263] [2022-12-14 15:13:29,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:13:29,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:13:29,536 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:13:29,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 15:13:29,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-14 15:13:29,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:13:29,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 125 conjunts are in the unsatisfiable core [2022-12-14 15:13:29,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:13:29,812 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2022-12-14 15:13:29,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:13:29,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2022-12-14 15:13:29,813 ERROR L170 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2022-12-14 15:13:29,813 INFO L360 BasicCegarLoop]: Counterexample might be feasible [2022-12-14 15:13:29,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 15:13:29,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 15:13:30,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2022-12-14 15:13:30,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 15:13:30,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f1760b-904d-4a98-85e9-5c1c58af7d61/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:13:30,429 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-14 15:13:30,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:13:30,444 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:13:30,444 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:13:30,445 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:13:30,445 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:13:30,445 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 15:13:30,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:13:30 BoogieIcfgContainer [2022-12-14 15:13:30,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:13:30,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:13:30,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:13:30,461 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:13:30,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:56" (3/4) ... [2022-12-14 15:13:30,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:13:30,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:13:30,464 INFO L158 Benchmark]: Toolchain (without parser) took 34797.11ms. Allocated memory was 62.9MB in the beginning and 161.5MB in the end (delta: 98.6MB). Free memory was 40.4MB in the beginning and 113.9MB in the end (delta: -73.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,464 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:30,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.51ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 39.2MB in the end (delta: 1.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.50ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,464 INFO L158 Benchmark]: Boogie Preprocessor took 33.72ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 33.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,465 INFO L158 Benchmark]: RCFGBuilder took 475.77ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 33.8MB in the beginning and 49.5MB in the end (delta: -15.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,465 INFO L158 Benchmark]: TraceAbstraction took 33922.75ms. Allocated memory was 75.5MB in the beginning and 161.5MB in the end (delta: 86.0MB). Free memory was 48.7MB in the beginning and 113.9MB in the end (delta: -65.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-12-14 15:13:30,465 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 161.5MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:30,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.51ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 39.2MB in the end (delta: 1.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.50ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.72ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 33.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.77ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 33.8MB in the beginning and 49.5MB in the end (delta: -15.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 33922.75ms. Allocated memory was 75.5MB in the beginning and 161.5MB in the end (delta: 86.0MB). Free memory was 48.7MB in the beginning and 113.9MB in the end (delta: -65.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 161.5MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L35] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L37] const SORT_1 var_12 = 0; [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 6; [L40] const SORT_16 var_25 = 7; [L41] const SORT_1 var_30 = 1; [L42] const SORT_5 var_34 = 0; [L43] const SORT_7 var_39 = 0; [L44] const SORT_7 var_42 = 8; [L45] const SORT_7 var_44 = 9; [L46] const SORT_7 var_47 = 15; [L47] const SORT_7 var_55 = 12; [L48] const SORT_7 var_58 = 4; [L49] const SORT_7 var_64 = 10; [L50] const SORT_7 var_66 = 11; [L51] const SORT_7 var_69 = 13; [L52] const SORT_7 var_84 = 1; [L53] const SORT_7 var_89 = 5; [L54] const SORT_16 var_114 = 1; [L55] const SORT_16 var_116 = 5; [L56] const SORT_5 var_125 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_5 input_6; [L62] SORT_7 input_8; [L63] SORT_1 input_9; [L64] SORT_1 input_10; [L65] SORT_1 input_11; [L66] SORT_5 input_93; [L67] SORT_5 input_95; [L68] SORT_5 input_97; [L69] SORT_5 input_99; [L70] SORT_5 input_101; [L71] SORT_5 input_103; [L72] SORT_5 input_105; [L73] SORT_5 input_107; [L74] SORT_5 input_109; [L76] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L78] SORT_16 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L79] SORT_5 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_16 init_24_arg_1 = var_17; [L86] state_23 = init_24_arg_1 [L87] SORT_5 init_36_arg_1 = var_34; [L88] state_35 = init_36_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND FALSE !(!(cond)) [L133] RET __VERIFIER_assert(!(bad_33_arg_0)) [L135] SORT_1 next_111_arg_1 = var_30; [L136] SORT_16 next_112_arg_1 = state_23; [L137] SORT_1 var_52_arg_0 = input_2; [L138] SORT_1 var_52 = ~var_52_arg_0; [L139] SORT_1 var_53_arg_0 = input_3; [L140] SORT_1 var_53_arg_1 = var_52; [L141] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L142] SORT_1 var_63_arg_0 = var_53; [L143] SORT_1 var_63 = ~var_63_arg_0; [L144] SORT_7 var_65_arg_0 = input_8; [L145] SORT_7 var_65_arg_1 = var_64; [L146] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L147] SORT_7 var_67_arg_0 = input_8; [L148] SORT_7 var_67_arg_1 = var_66; [L149] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L150] SORT_1 var_68_arg_0 = var_65; [L151] SORT_1 var_68_arg_1 = var_67; [L152] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L153] SORT_7 var_70_arg_0 = input_8; [L154] SORT_7 var_70_arg_1 = var_69; [L155] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L156] SORT_1 var_71_arg_0 = var_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L159] SORT_7 var_72_arg_0 = input_8; [L160] SORT_7 var_72_arg_1 = var_47; [L161] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L162] SORT_1 var_73_arg_0 = var_71; [L163] SORT_1 var_73_arg_1 = var_72; [L164] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L165] SORT_1 var_74_arg_0 = var_63; [L166] SORT_1 var_74_arg_1 = var_73; [L167] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L168] SORT_5 var_37_arg_0 = state_35; [L169] SORT_1 var_37 = var_37_arg_0 != 0; [L170] SORT_1 var_75_arg_0 = var_37; [L171] SORT_1 var_75 = ~var_75_arg_0; [L172] SORT_7 var_76_arg_0 = input_8; [L173] SORT_7 var_76_arg_1 = var_42; [L174] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L175] SORT_7 var_77_arg_0 = input_8; [L176] SORT_7 var_77_arg_1 = var_47; [L177] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L178] SORT_1 var_78_arg_0 = var_76; [L179] SORT_1 var_78_arg_1 = var_77; [L180] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L181] SORT_1 var_79_arg_0 = var_75; [L182] SORT_1 var_79_arg_1 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L184] SORT_1 var_80_arg_0 = var_74; [L185] SORT_1 var_80_arg_1 = var_79; [L186] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L187] SORT_16 var_121_arg_0 = state_23; [L188] SORT_16 var_121_arg_1 = var_17; [L189] SORT_1 var_121 = var_121_arg_0 != var_121_arg_1; [L190] SORT_1 var_122_arg_0 = var_80; [L191] SORT_1 var_122_arg_1 = var_121; [L192] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L193] var_122 = var_122 & mask_SORT_1 [L194] SORT_16 var_120_arg_0 = state_23; [L195] SORT_16 var_120_arg_1 = var_114; [L196] SORT_16 var_120 = var_120_arg_0 - var_120_arg_1; [L197] SORT_1 var_83_arg_0 = var_53; [L198] SORT_1 var_83 = ~var_83_arg_0; [L199] SORT_7 var_85_arg_0 = input_8; [L200] SORT_7 var_85_arg_1 = var_84; [L201] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L202] SORT_1 var_86_arg_0 = var_83; [L203] SORT_1 var_86_arg_1 = var_85; [L204] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L205] SORT_7 var_87_arg_0 = input_8; [L206] SORT_7 var_87_arg_1 = var_58; [L207] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L208] SORT_1 var_88_arg_0 = var_86; [L209] SORT_1 var_88_arg_1 = var_87; [L210] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L211] SORT_7 var_90_arg_0 = input_8; [L212] SORT_7 var_90_arg_1 = var_89; [L213] SORT_1 var_90 = var_90_arg_0 == var_90_arg_1; [L214] SORT_1 var_91_arg_0 = var_88; [L215] SORT_1 var_91_arg_1 = var_90; [L216] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L217] SORT_16 var_117_arg_0 = state_23; [L218] SORT_16 var_117_arg_1 = var_116; [L219] SORT_1 var_117 = var_117_arg_0 != var_117_arg_1; [L220] SORT_1 var_118_arg_0 = var_91; [L221] SORT_1 var_118_arg_1 = var_117; [L222] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L223] var_118 = var_118 & mask_SORT_1 [L224] SORT_16 var_115_arg_0 = state_23; [L225] SORT_16 var_115_arg_1 = var_114; [L226] SORT_16 var_115 = var_115_arg_0 + var_115_arg_1; [L227] SORT_7 var_40_arg_0 = input_8; [L228] SORT_7 var_40_arg_1 = var_39; [L229] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L230] SORT_1 var_113_arg_0 = var_40; [L231] SORT_16 var_113_arg_1 = var_17; [L232] SORT_16 var_113_arg_2 = state_23; [L233] SORT_16 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L234] SORT_1 var_119_arg_0 = var_118; [L235] SORT_16 var_119_arg_1 = var_115; [L236] SORT_16 var_119_arg_2 = var_113; [L237] SORT_16 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L238] SORT_1 var_123_arg_0 = var_122; [L239] SORT_16 var_123_arg_1 = var_120; [L240] SORT_16 var_123_arg_2 = var_119; [L241] SORT_16 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L242] var_123 = var_123 & mask_SORT_16 [L243] SORT_16 next_124_arg_1 = var_123; [L244] SORT_7 var_56_arg_0 = input_8; [L245] SORT_7 var_56_arg_1 = var_55; [L246] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L247] SORT_1 var_57_arg_0 = var_53; [L248] SORT_1 var_57 = ~var_57_arg_0; [L249] SORT_7 var_59_arg_0 = input_8; [L250] SORT_7 var_59_arg_1 = var_58; [L251] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L252] SORT_1 var_60_arg_0 = var_57; [L253] SORT_1 var_60_arg_1 = var_59; [L254] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L255] SORT_1 var_61_arg_0 = var_56; [L256] SORT_1 var_61_arg_1 = var_60; [L257] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L258] SORT_1 var_129_arg_0 = input_10; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = var_61; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_7 var_43_arg_0 = input_8; [L265] SORT_7 var_43_arg_1 = var_42; [L266] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L267] SORT_7 var_45_arg_0 = input_8; [L268] SORT_7 var_45_arg_1 = var_44; [L269] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L270] SORT_1 var_46_arg_0 = var_43; [L271] SORT_1 var_46_arg_1 = var_45; [L272] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L273] SORT_7 var_48_arg_0 = input_8; [L274] SORT_7 var_48_arg_1 = var_47; [L275] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L276] SORT_1 var_49_arg_0 = var_46; [L277] SORT_1 var_49_arg_1 = var_48; [L278] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L279] SORT_1 var_50_arg_0 = var_37; [L280] SORT_1 var_50_arg_1 = var_49; [L281] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L282] SORT_1 var_127_arg_0 = var_50; [L283] SORT_1 var_127_arg_1 = input_10; [L284] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L285] var_127 = var_127 & mask_SORT_1 [L286] SORT_5 var_126_arg_0 = state_35; [L287] SORT_5 var_126_arg_1 = var_125; [L288] SORT_5 var_126 = var_126_arg_0 - var_126_arg_1; [L289] SORT_1 var_128_arg_0 = var_127; [L290] SORT_5 var_128_arg_1 = var_126; [L291] SORT_5 var_128_arg_2 = state_35; [L292] SORT_5 var_128 = var_128_arg_0 ? var_128_arg_1 : var_128_arg_2; [L293] SORT_1 var_131_arg_0 = var_130; [L294] SORT_5 var_131_arg_1 = input_6; [L295] SORT_5 var_131_arg_2 = var_128; [L296] SORT_5 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L297] var_131 = var_131 & mask_SORT_5 [L298] SORT_5 next_132_arg_1 = var_131; [L300] state_13 = next_111_arg_1 [L301] state_18 = next_112_arg_1 [L302] state_23 = next_124_arg_1 [L303] state_35 = next_132_arg_1 [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.8s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 13 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 122 ConstructedInterpolants, 37 QuantifiedInterpolants, 4246 SizeOfPredicates, 350 NumberOfNonLiveVariables, 3287 ConjunctsInSsa, 333 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 0/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN